As reliance group promised that jio will provide upto 1mbps speed, but it is no provided.infact it provides only20-30 kbps speed at night.and the main problem is the calling.u have to place a call for 4-5 times.then only the call will be placed.cant play a youtube video at night as it provides 2g speed at night.i think its better to have a 3g connection instead of joi 4g.for downloading a single movie, it takes around 4-5 hours.but in my airtel 3g, I downloaded the whole movie in just 1 hour.worst service provided by reliance.